◎ 题干
—  Why are you so happy, Henry?
—  My old friend David is coming to visit me. We haven’t seen each other ______ five years.
A.since B.afterC.forD.in
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Why are you so happy, Henry?— My old friend David is coming to visit me. We haven’t seen each other ______ five years. A.since B.afterC.forD.in…”主要考查了你对  【介词短语】【介词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。